GD 90
All names: WD 0816+37, GEN# +6.10060090, SDSS J081946.35+373127.7, EGGR 348, Gaia DR2 908060853512404992, Gaia EDR3 908060853512404992, WD 0816+376, 2MASS J08194638+3731280, GALEX J081946.3+373127, KUV 08165+3741, SDSS J081946.34+373127.6, CBS 71, TIC 18782844, GD 90, WDJ081946.37+373127.93, Gaia DR3 908060853512404992
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 19 46.22 (0.04) | 08 19 46.23 (0.05) | 08 19 46.22 | 08 19 46.37 (0.04) | 08 19 46.23 | 08 19 46.13 | ||||||
| Declination | 37 31 26.29 (0.03) | 37 31 26.34 (0.04) | 37 31 26.29 | 37 31 27.94 (0.03) | 37 31 26.34 | 37 31 26.04 | ||||||
| Spectral type | DAH | DA | DA | DA | DAP | DAH5 | ||||||
| Effective temperature | [K] | 11575.8 (458) | 11310.0 | 14000.0 | 11594.0 (111) | |||||||
| log(g) | [cgs] | 8.32 (0.2) | 8.30 | 8.00 (0) | 8.35 (0.01) | |||||||
| Mass | [M☉] | 0.8018804156038802 (0.3) | 0.791 | 0.823 (0.009) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.6855 | ||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 20.21 (0.04) | 20.06 (0.07) | 20.21 | 20.21 (0.04) | 20.06 (0.07) | ||||||
| Distance | [pc] | 49.47 (0.1) | 49.84 (0.2) | 49.47 | 49.47 (0.1) | 49.84 (0.2) | ||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -107.8424943 (0.04) | -108.0916838 (0.1) | -107.842 (0.04) | -108.0916838 | |||||||
| Proper motion (declination) | [mas/yr] | -103.1550518 (0.03) | -102.9452604 (0.08) | -103.155 (0.03) | -102.9452604 | |||||||
| Variability | ||||||||||||
| Magnetic | yes | yes | yes | |||||||||
| Bd | [MG] | 10.270239177573938 | 9 | |||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.96 | |||||||||||
| V magnitude | 15.60 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.64 (0.07) | |||||||||||
| H magnitude | 15.66 (0.2) | |||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.12 (0.02) | 16.10 (0.005) | 16.10 | |||||||||
| g magnitude | 15.72 (0.02) | 15.71 (0.004) | 15.73 | |||||||||
| r magnitude | 15.85 (0.01) | 15.84 (0.004) | 15.85 | |||||||||
| i magnitude | 16.03 (0.01) | 16.02 (0.005) | 16.02 | |||||||||
| z magnitude | 16.28 (0.02) | 16.26 (0.007) | 16.28 | |||||||||
| G magnitude | 15.76 (0.003) | 15.78 | 15.76 | 15.76 (0.003) | 15.78 | |||||||
| BP magnitude | 15.78 (0.003) | 15.77 | 15.77 | |||||||||
| RP magnitude | 15.76 (0.004) | 15.77 | 15.77 | |||||||||
| Pan g magnitude | 15.72 (0.002) | |||||||||||
| Pan r magnitude | 15.86 (0.002) | |||||||||||
| Pan i magnitude | 16.05 (0.002) | |||||||||||
| Pan z magnitude | 16.26 (0.005) | |||||||||||
| Pan y magnitude | 16.39 (0.006) | |||||||||||
| E(B-V) | 0.001 | |||||||||||
* Constant surface field
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